Verify/edit bash history command before executing it

shopt -s histverify
Bash history commands are those that begin with the character ! (eg. the most popular 'sudo !!' Explained here => By default bash immediately executes the history command. Setting this shell option will make bash first allow you to verify/edit an history command before executing it. To set this option permanently, put this command in ~/.profile or ~/.bashrc file. To unset this option issue following command. shopt -u histverify
Sample Output
$ date
Thu Oct 27 11:25:51 EST 2011
$ !!                          #COMMAND EXECUTED INSTANTLY
Thu Oct 27 11:25:54 EST 2011

$ shopt -s histverify 
$ date
Thu Oct 27 11:26:05 EST 2011
$ !!

By: b_t
2011-10-27 00:33:34

What Others Think

You did great job to sharing with us such an useful informative blog. Keep it up! Regards, Alex.
AlexJuvion · 70 weeks and 5 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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